Robtex

Up: 64.207.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.207.220.0/25
Down right: 64.207.220.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.207.220.0	PTR	unused.mynethost.com
64.207.220.1	A	ns1.unifound.com
64.207.220.10	A	ns.jasonpark.com
64.207.220.12	PTR	unused.mynethost.com
64.207.220.12	A	ns.pbxengine.com
64.207.220.16	PTR	unused.mynethost.com
64.207.220.30	A	powerforward.org
64.207.220.30	A	plantoclosure.com
64.207.220.30	A	www.tality.com
64.207.220.33	A	ns.albertonovi.com
64.207.220.35	PTR	unused.mynethost.com
64.207.220.40	A	ns.transmobius.com
64.207.220.41	PTR	unused.mynethost.com
64.207.220.42	PTR	unused.mynethost.com
64.207.220.49	PTR	ns.grafitsolutions.ro
64.207.220.50	PTR	unused.mynethost.com
64.207.220.57	A	ns.higherdimensions.com
64.207.220.59	A+PTR	ns.sunjess.com
64.207.220.62	A+PTR	ns.webjazz.net
64.207.220.62	A	smtp.ns.webjazz.net
64.207.220.62	A	mail.ns.webjazz.net
64.207.220.63	PTR	unused.mynethost.com
64.207.220.63	A	smtp.ns.cezar.ca
64.207.220.68	PTR	unused.mynethost.com
64.207.220.70	PTR	ns.simpleinternet.com
64.207.220.80	A	ns.digitalnetworksolutions.net
64.207.220.84	PTR	unused.mynethost.com
64.207.220.93	PTR	unused.mynethost.com
64.207.220.117	PTR	ns.moleadership.com
64.207.220.190	PTR	unused.mynethost.com
64.207.220.216	PTR	unused.mynethost.com
64.207.220.222	PTR	unused.mynethost.com
64.207.220.237	PTR	unused.mynethost.com